sURI is not registered (Settings | Languages & Frameworks | Schemas and DTDs)
时间: 2024-06-20 15:04:10 浏览: 16
SURI (Schema URI) being unregistered in the "Settings > Languages & Frameworks > Schemas and DTDs" section typically refers to an issue where Visual Studio Code or a similar development environment is unable to locate or recognize a specific XML schema definition (XSD) file that is needed for validation, auto-completion, or other XML-related tasks. This error message usually occurs when you try to work with XML documents that rely on external schemas, and the system cannot find those schemas in its built-in or custom schema locations.
Here's what might cause this problem:
1. Schema location: The XSD file might not be in the expected location, such as the project's `xsd` folder, or the `schemas` directory under your user settings.
2. Incorrect schema reference: The XML document might have a broken or incorrect `<schemaLocation>` or `<noNamespaceSchemaLocation>` element, causing VS Code to not know where to find the schema.
3. Missing extension or installation: If you have a custom extension for XML support, it could be missing the required configuration or the schema itself is not installed correctly.
4. VS Code settings: Ensure that the XML Tools or Language Features settings are configured to include the path where the schema files are located.
To resolve this issue, you can try these steps:
1. **Check schema location**: Make sure the XSD file is present in the specified location.
2. **Update schema reference**: Edit the XML file and verify that the schema location URL is correct.
3. **Add schema to preferences**: In VS Code, navigate to `Preferences: User Settings` or `Code Settings (JSON)`, and add a new entry for `"xml.schemas"` with the complete URL of the schema file.
4. **Restart VS Code**: Sometimes, the change needs a restart to take effect.
5. **Reinstall or update extensions**: If using an extension, check for updates or reinstall it, if necessary.
After trying these steps, you should be able to resolve the "SURI is not registered" error. If the issue persists, please let me know for further assistance.
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